40cc7b8fdb
If the metadata provider can update the password, the SetUserPassword plugin will run at every boot and will set the new password only if it exists. Change-Id: Ifde8893da7cc2f4452b6cae5cf28b8000a0847ee
265 lines
12 KiB
Python
265 lines
12 KiB
Python
# Copyright 2013 Cloudbase Solutions Srl
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import unittest
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try:
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import unittest.mock as mock
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except ImportError:
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import mock
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from oslo.config import cfg
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from cloudbaseinit.plugins.common import constants
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from cloudbaseinit.plugins.common import setuserpassword
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from cloudbaseinit.tests.metadata import fake_json_response
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from cloudbaseinit.tests import testutils
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CONF = cfg.CONF
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class SetUserPasswordPluginTests(unittest.TestCase):
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def setUp(self):
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self._setpassword_plugin = setuserpassword.SetUserPasswordPlugin()
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self.fake_data = fake_json_response.get_fake_metadata_json(
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'2013-04-04')
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@mock.patch('base64.b64encode')
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@mock.patch('cloudbaseinit.utils.crypt.CryptManager'
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'.load_ssh_rsa_public_key')
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def test_encrypt_password(self, mock_load_ssh_key, mock_b64encode):
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mock_rsa = mock.MagicMock()
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fake_ssh_pub_key = 'fake key'
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fake_password = 'fake password'
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mock_load_ssh_key.return_value = mock_rsa
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mock_rsa.__enter__().public_encrypt.return_value = 'public encrypted'
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mock_b64encode.return_value = 'encrypted password'
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response = self._setpassword_plugin._encrypt_password(
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fake_ssh_pub_key, fake_password)
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mock_load_ssh_key.assert_called_with(fake_ssh_pub_key)
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mock_rsa.__enter__().public_encrypt.assert_called_with(
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b'fake password')
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mock_b64encode.assert_called_with('public encrypted')
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self.assertEqual('encrypted password', response)
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def _test_get_ssh_public_key(self, data_exists):
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mock_service = mock.MagicMock()
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public_keys = self.fake_data['public_keys']
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mock_service.get_public_keys.return_value = public_keys.values()
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response = self._setpassword_plugin._get_ssh_public_key(mock_service)
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mock_service.get_public_keys.assert_called_with()
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self.assertEqual(list(public_keys.values())[0], response)
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def test_get_ssh_plublic_key(self):
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self._test_get_ssh_public_key(data_exists=True)
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def test_get_ssh_plublic_key_no_pub_keys(self):
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self._test_get_ssh_public_key(data_exists=False)
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def _test_get_password(self, inject_password):
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shared_data = {}
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expected_password = 'Passw0rd'
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if not inject_password:
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# The password should be the one created by
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# CreateUser plugin.
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shared_data[constants.SHARED_DATA_PASSWORD] = (
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mock.sentinel.create_user_password)
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mock_service = mock.MagicMock()
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mock_osutils = mock.MagicMock()
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mock_service.get_admin_password.return_value = expected_password
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with testutils.ConfPatcher('inject_user_password', inject_password):
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response = self._setpassword_plugin._get_password(mock_service,
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mock_osutils,
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shared_data)
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if inject_password:
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mock_service.get_admin_password.assert_called_with()
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else:
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self.assertFalse(mock_service.get_admin_password.called)
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expected_password = mock.sentinel.create_user_password
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self.assertEqual(expected_password, response)
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def test_get_password_inject_true(self):
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self._test_get_password(inject_password=True)
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def test_get_password_inject_false(self):
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self._test_get_password(inject_password=False)
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@mock.patch('cloudbaseinit.plugins.common.setuserpassword.'
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'SetUserPasswordPlugin._get_ssh_public_key')
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@mock.patch('cloudbaseinit.plugins.common.setuserpassword.'
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'SetUserPasswordPlugin._encrypt_password')
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def _test_set_metadata_password(self, mock_encrypt_password,
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mock_get_key, ssh_pub_key):
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fake_passw0rd = 'fake Passw0rd'
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mock_service = mock.MagicMock()
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mock_get_key.return_value = ssh_pub_key
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mock_encrypt_password.return_value = 'encrypted password'
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mock_service.post_password.return_value = 'value'
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mock_service.can_post_password = True
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mock_service.is_password_set = False
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with testutils.LogSnatcher('cloudbaseinit.plugins.common.'
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'setuserpassword') as snatcher:
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response = self._setpassword_plugin._set_metadata_password(
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fake_passw0rd, mock_service)
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expected_logging = []
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if ssh_pub_key is None:
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expected_logging = [
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'No SSH public key available for password encryption'
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]
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self.assertTrue(response)
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else:
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mock_get_key.assert_called_once_with(mock_service)
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mock_encrypt_password.assert_called_once_with(ssh_pub_key,
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fake_passw0rd)
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mock_service.post_password.assert_called_with(
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'encrypted password')
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self.assertEqual('value', response)
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self.assertEqual(expected_logging, snatcher.output)
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def test_set_metadata_password_with_ssh_key(self):
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fake_key = 'fake key'
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self._test_set_metadata_password(ssh_pub_key=fake_key)
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def test_set_metadata_password_no_ssh_key(self):
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self._test_set_metadata_password(ssh_pub_key=None)
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def test_set_metadata_password_already_set(self):
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mock_service = mock.MagicMock()
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mock_service.is_password_set = True
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with testutils.LogSnatcher('cloudbaseinit.plugins.common.'
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'setuserpassword') as snatcher:
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response = self._setpassword_plugin._set_metadata_password(
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mock.sentinel.fake_password, mock_service)
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self.assertTrue(response)
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expected_logging = ['User\'s password already set in the '
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'instance metadata and it cannot be '
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'updated in the instance metadata']
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self.assertEqual(expected_logging, snatcher.output)
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@mock.patch('cloudbaseinit.plugins.common.setuserpassword.'
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'SetUserPasswordPlugin._get_password')
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def _test_set_password(self, mock_get_password, password,
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can_update_password, is_password_changed):
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expected_password = password
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expected_logging = []
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mock_get_password.return_value = password
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mock_service = mock.MagicMock()
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mock_osutils = mock.MagicMock()
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mock_osutils.get_maximum_password_length.return_value = None
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mock_osutils.generate_random_password.return_value = 'fake-password'
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mock_service.can_update_password = can_update_password
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mock_service.is_password_changed.return_value = is_password_changed
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with testutils.LogSnatcher('cloudbaseinit.plugins.common.'
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'setuserpassword') as snatcher:
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response = self._setpassword_plugin._set_password(
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mock_service, mock_osutils, 'fake_user',
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mock.sentinel.shared_data)
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if can_update_password and not is_password_changed:
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expected_logging.append('Updating password is not required.')
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expected_password = None
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if not password:
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expected_logging.append('Generating a random user password')
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expected_password = 'fake-password'
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if not can_update_password or is_password_changed:
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mock_get_password.assert_called_once_with(
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mock_service, mock_osutils, mock.sentinel.shared_data)
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self.assertEqual(expected_password, response)
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self.assertEqual(expected_logging, snatcher.output)
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def test_set_password(self):
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self._test_set_password(password='Password',
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can_update_password=False,
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is_password_changed=False)
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self._test_set_password(password=None,
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can_update_password=False,
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is_password_changed=False)
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self._test_set_password(password='Password',
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can_update_password=True,
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is_password_changed=True)
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self._test_set_password(password='Password',
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can_update_password=True,
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is_password_changed=False)
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@mock.patch('cloudbaseinit.plugins.common.setuserpassword.'
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'SetUserPasswordPlugin._set_password')
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@mock.patch('cloudbaseinit.plugins.common.setuserpassword.'
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'SetUserPasswordPlugin._set_metadata_password')
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@mock.patch('cloudbaseinit.osutils.factory.get_os_utils')
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def _test_execute(self, mock_get_os_utils, mock_set_metadata_password,
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mock_set_password, is_password_set,
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can_post_password, can_update_password=False):
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mock_service = mock.MagicMock()
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mock_osutils = mock.MagicMock()
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fake_shared_data = mock.MagicMock()
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fake_shared_data.get.return_value = 'fake username'
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mock_service.is_password_set = is_password_set
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mock_service.can_post_password = can_post_password
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mock_service.can_update_password = can_update_password
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mock_get_os_utils.return_value = mock_osutils
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mock_osutils.user_exists.return_value = True
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mock_set_password.return_value = 'fake password'
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with testutils.LogSnatcher('cloudbaseinit.plugins.common.'
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'setuserpassword') as snatcher:
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response = self._setpassword_plugin.execute(mock_service,
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fake_shared_data)
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mock_get_os_utils.assert_called_once_with()
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fake_shared_data.get.assert_called_with(
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constants.SHARED_DATA_USERNAME, CONF.username)
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mock_osutils.user_exists.assert_called_once_with('fake username')
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mock_set_password.assert_called_once_with(mock_service, mock_osutils,
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'fake username',
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fake_shared_data)
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expected_logging = [
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"Password succesfully updated for user fake username",
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]
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if can_post_password:
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mock_set_metadata_password.assert_called_once_with('fake password',
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mock_service)
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else:
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expected_logging.append("Cannot set the password in the metadata "
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"as it is not supported by this service")
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self.assertFalse(mock_set_metadata_password.called)
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if can_update_password:
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self.assertEqual((2, False), response)
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else:
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self.assertEqual((1, False), response)
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self.assertEqual(expected_logging, snatcher.output)
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def test_execute(self):
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self._test_execute(is_password_set=False, can_post_password=False)
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self._test_execute(is_password_set=True, can_post_password=True)
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self._test_execute(is_password_set=False, can_post_password=True)
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self._test_execute(is_password_set=True, can_post_password=True,
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can_update_password=True)
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